Dark Eradicator Warlock [SD6-EN001] Ultra Rare

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by Tributing 1 "Dark Magician" on your side of the field. While this card is face-up on the field, inflict 1000 points of damage to your opponent's Life Points each time either player activates 1 Normal Spell Card.